“Other innocent people will die. This is a very unpleasant thing to say. People can accuse me, and I completely understand, of making society even more fearful than it is already, given what has happened. But unfortunately, this is the reality. It will take a generation,” Valls said, speaking on French radio (in French).

Has anyone been arrested in connection with the attack?

Yes.

Police have raided several addresses in connection with events in Magnanville on Monday.